The control module detected a fault associated with the Fuel Additive Control Module Warning Lamp Request circuit or function; the stored code identifies the affected component rather than a single failure mode.
TuningBot DTC Database · v4.37.15
P2585 Fuel Additive Control Module Warning Lamp Request
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2585 means
Related and nearby codes
How to read P2585
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P2585
What does P2585 mean?
Fuel Additive Control Module Warning Lamp Request. The control module detected a fault associated with the Fuel Additive Control Module Warning Lamp Request circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P2585 generic or manufacturer-specific?
P2585 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2585 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
